Home / 13,724.66-20,572.72-6,695.08

Finding the Fourth Proportional to 13,724.66, 20,572.72 and 6,695.08

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Solution

The fourth proportional to 13,724.66, 20,572.72 and 6,695.08 is: 10,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.66 : 20,572.72 = 6,695.08 : x
  2. Step 2: Convert to fraction form
    13,724.66/20,572.72 = 6,695.08/x
  3. Step 3: Cross multiply
    13,724.66x = 20,572.72 × 6,695.08
  4. Step 4: Simplify right side
    13,724.66x = 137,735,938.05
  5. Step 5: Solve for x
    x = 137,735,938.05/13,724.66
  6. Step 6: Final answer
    x = 10,035.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.